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3 years ago

Norman bought 5/6 pound of cookies. He ate 3/5 of the cookies. what was the weight of the cookies he ate

Mathematics

1 answer:

PolarNik [594]3 years ago

5 0

Answer:

1/2 pounds

Step-by-step explanation:

$weight \: of \: cookies \: ate \\ = \frac{5}{6} \times \frac{3}{5} \\ = \frac{1}{2} \: pounds$

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A department store has a discount on shoes based on a percentage of the price. Suppose one pair of shoes is marked down from 80

AysviL [449]

Answer:

Discounted price = $160

Step-by-step explanation:

Let x be the discounted price of shoes.

Given:

A department store has a discount on shoes based on a percentage of the price.

and marked down on one pair of shoes is $80 to $64.

So, the discounted rate = 80 - 64 = 16

therefore, the percent of discount is.

% value $=\frac{discounted\ rate}{original\ rate}\times 100$

% value $=\frac{16}{80}\times 100$

% value $=\frac{16\times 100}{80}$

% value $=\frac{16\times 10}{8}$

% value $=2\times 10$

% value = 20%

Find the price for a $200 pair of shoes after the same discount is applied.

So the discount is 20% and the discounted price of the shoe is 80% of $200.

% value $=\frac{discounted\ price}{original\ price}\times 100$

80 $=\frac{x}{200}\times 100$

$x=\frac{80\times 200}{100}$

$x=80\times 2$

x = $160

Therefore, the discounted price of the shoe is $160.

4 0

4 years ago

The city of Raleigh has 11700 registered voters. There are two candidates for city council in an upcoming election: Brown and Fe

Vesnalui [34]

Answer:

The sample statistic for the proportion of voters surveyed who said they'd vote for Brown is 0.308.

The expected numbers of voters who would vote for Brown is 3604.

Step-by-step explanation:

The sample statistic is a numerical quantity used to represent a characteristic of a sample. For example, sample mean is a sample statistic representing the average of the sample. Or, sample proportion is a sample statistic representing the proportion of a particular variable in the sample. Or sample variance is a sample statistic representing the variance of the sample.

The sample statistic can be used to estimate the population parameter.

They are known as the point estimate of the parameter.

The sample proportion of a variable X is given by:

$\hat p=\frac{X}{n}$

It is provided that of the n = 250 registered voters selected, the number of voters who said they would vote for Brown is X = 77.

Compute the sample statistic for the proportion of voters surveyed who said they'd vote for Brown as follows:

$\hat p=\frac{X}{n}$

$=\frac{77}{250}\\$

$=0.308$

Thus, the sample statistic for the proportion of voters surveyed who said they'd vote for Brown is 0.308.

Compute the expected number of people of the 11700 registered voters who would vote for Brown as follows:

$E(X)=N\times \hat p$

$=11700\times 0.308\\=3603.6\\\approx 3604$

Thus, the expected numbers of voters who would vote for Brown is 3604.

6 0

3 years ago

What is the cube root of 57 R cubed

Studentka2010 [4]

Approximately 3.849 is the cube root of 57 cube root.

8 0

3 years ago

The first president of the usa

lilavasa [31]

Answer:

George Washington.

Step-by-step explanation:

President Washington was elected President by a unanimous election of 69 voters in 1788, and served two terms. He set about creating a strong, well-funded national government that would maintain neutrality in Europe's raging wars, quell uprisings, and gain the approval of Americans of all types. His leadership style has established many forms and rituals of government that have been used, such as the use of a cabinet system and the swearing-in of oaths. Still, the peaceful transition from his presidency to the presidency of John Adams has created a tradition that continues into the 21st century. Washington was hailed as a patriarch, even during his lifetime.

6 0

3 years ago

Five the equation of line that is perpendicular to f(x)=-2x+1 that goes through point (0,5)

Alinara [238K]

Answer:

y = $\frac{1}{2}$ x + 5